

/**
 * @author Van Kiet
 * @version 1.0
 * @created 11-Sep-2013 3:00:28 PM
 */
public class ChuNhat extends Hinh {

	protected double d;
	protected double r;

	public ChuNhat(){

	}

	public void finalize() throws Throwable {
		super.finalize();
	}

	public double chuvi(){
		return 0;
	}

	public duble dientich(){
		return null;
	}

}